Wehavenotfoundlifeonanyotherplanetsyet教学目标1
认读和掌握下列单词和短语:none,environment,solar,system,group,universe,light,impossible,out,communicate2
能理解现在完成时描述的过去经历的事情
重点难点考点易错点Howtoreadandwriteastoryaboutspacetravel
教学过程一、前置练习,积累知识Step1
WarmingUp1
Howmanyplanetsarethereinoursolarsystem
Isthereanylifeonotherplanets
Putthewordsandexpressionsintheboxinorder:small–large
galaxy,planet,solarsystem,star,universe二、情境激趣,导入新课Step2
ReadingCheck(√)thetruesentences
Theearthisastar
Thesunisastar
Thereismorethanonegalaxyintheuniverse
Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus
Scientistshavereceivedmanymessagesfromspace
Spaceshipshavevisitedmostoftheuniverse
□三、自主学习,合作探究Step3
根据课文补全短文ScientiststhinkthattherehasbeenlifeonEarthforyears
,wehaven’tfoundlifeonplanetsyet